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Heating

Heating may refer to: Heating devices, or systems:

See also

HVAC may also stand for High-voltage alternating current
HVAC (pronounced either "H-V-A-C" or, occasionally, "aitch-vak") is an initialism/acronym that stands for "heating, ventilation, and air conditioning".
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A block heater is an electric heater that heats the engine of a car to ease starting in cold weather. They are connected to normal AC power overnight or before driving, via regular power plugs that are fed through a vehicle's grille.
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A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid exits the boiler for use in various processes or heating applications.[1][2]

Overview


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A cathode heater is a coil or filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes as switching elements.
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Central Heating may mean: See also: central heating

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A convector heater is a heater which operates by air convection currents circulating through the body of the appliance, and across its heating element. This heats up the air, causing it to rise and being replaced by colder air, and thereby creating a natural ventilation, warming
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Dielectric heating (also known as electronic heating, RF heating, high-frequency heating) is the phenomenon in which radiowave or microwave electromagnetic radiation heats a dielectric material, especially as caused by dipole rotation.
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District heating (less commonly called teleheating) is a system for distributing heat generated in a centralized location for residential and commercial heating requirements.
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A fan heater is a heater that works by using a fan to pass air over a heating element. This heats up the air, which then leaves the heater, warming up the surrounding area. They can provide very rapid heating of a room, however may be relatively noisy in operation.
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Feedwater heater is a power plant component used to pre-heat water delivered to a steam generating boiler.[1][2][3] Preheating the feedwater reduces the irreversibilities involved in steam generation and therefore improves the thermodynamic
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fireplace is an architectural element consisting of a space designed to contain a fire, generally for heating but sometimes also for cooking. The space where the fire is contained is called a firebox or firepit; a chimney or other flue allows gas and particulate exhaust to escape
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A gas heater is a device used to heat a room or outdoor area by burning natural gas or liquefied petroleum gas.

The first gas heater made use of the same principles of the Bunsen burner invented in the previous year.
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A geothermal heat pump system is a heating and/or an air conditioning system that uses the Earth's ability to store heat in the ground and water thermal masses. This system will take advantage of a land mass as a heat exchanger to either heat or cool a building structure.
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Geothermal heating has been used since Roman times as a way of heating buildings and spas by utilizing sources of hot water and hot steam that exist near the earth's surface.
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A heating pad is a pad used for warming of parts of the body in order to manage pain. Localized application of heat causes the blood vessels in that area to dilate, enhancing perfusion to the targeted tissue. Types of heating pads include electrical, chemical and hot water bottles.
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Hydronics is the name for the use of water as the heat-transfer medium in heating and cooling systems.

Some of the oldest and most common examples are steam or hot-water radiators.
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Induction heating is the process of heating a metal object by electromagnetic induction, where eddy currents are generated within the metal and resistance leads to Joule heating of the metal.
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Radiant heating is a technology utilized for the heating of both indoor and outdoor areas. Radiant heating consists of "radiant energy" being emitted from a heat source; this radiant energy (commonly known as heat) then penetrates all objects in its path, including people.
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Radiators and convectors are types of heat exchangers designed to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in automobiles, buildings, and electronics.
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Radioisotope heater units are small devices that provide heat through radioactive decay. They are similar to tiny radioisotope thermoelectric generators (RTG), and normally provide about one watt of heat each, derived from the decay of a few grams of plutonium 238.
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A Salamander heater is any of a variety of portable forced-air or convection heaters, often kerosene-fueled, used in ventilated areas for worksite comfort. Salamander heaters are most often found at construction sites.
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solar furnace is a structure used to harness the rays of the sun in order to produce high temperatures. This is achieved by using a curved mirror (or an array of mirrors) acting as a parabolic reflector to concentrate light (Insolation) on to a focal point.
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Solar heating is the usage of solar energy to provide process, space or water heating. The heating of water is covered in solar hot water. Solar heating design is divided into two groups:
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A storage heater is an electrical appliance which stores heat at a time when base load electricity is available at a low price, usually during the night, and releases it during the day.
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Water heating is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry both hot water and water heated to steam have many uses.
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What is a Woodburning stove? A woodburning stove is an appliance that can burn wood and can be used as a room heater and in many cases can also heat domestic hot water and radiators.
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The term air conditioning most commonly refers to the cooling and dehumidification of indoor air for thermal comfort. In a broader sense, the term can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air.
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Heat, in physics, is energy which is spontaneously flowing from an object with a high temperature to an object with a lower temperature.

Heat can also refer to:

In physics:
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A heater is any object that emits heat or causes another body to achieve a higher temperature. In a household or domestic setting, heaters are commonly used to generate heating (ie. warmth).
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A thermostat is a device for regulating the temperature of a system so that the system's temperature is maintained near a desired setpoint temperature. The thermostat does this by controlling the flow of heat energy into or out of the system.
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